Re: [PATCH v8 4/4] mm/madvise: check fatal signal pending of target process

[David Rientjes]

On Mon, 22 Jun 2020, Minchan Kim wrote:

> Bail out to prevent unnecessary CPU overhead if target process has pending
> fatal signal during (MADV_COLD|MADV_PAGEOUT) operation.
> 
> Link: http://lkml.kernel.org/r/20200302193630.68771-4-minchan@xxxxxxxxxx
> Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>
> Reviewed-by: Suren Baghdasaryan <surenb@xxxxxxxxxx>
> Reviewed-by: Vlastimil Babka <vbabka@xxxxxxx>
> Cc: Alexander Duyck <alexander.h.duyck@xxxxxxxxxxxxxxx>
> Cc: Brian Geffon <bgeffon@xxxxxxxxxx>
> Cc: Christian Brauner <christian@xxxxxxxxxx>
> Cc: Daniel Colascione <dancol@xxxxxxxxxx>
> Cc: Jann Horn <jannh@xxxxxxxxxx>
> Cc: Jens Axboe <axboe@xxxxxxxxx>
> Cc: Joel Fernandes <joel@xxxxxxxxxxxxxxxxx>
> Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
> Cc: John Dias <joaodias@xxxxxxxxxx>
> Cc: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
> Cc: Michal Hocko <mhocko@xxxxxxxx>
> Cc: Oleksandr Natalenko <oleksandr@xxxxxxxxxx>
> Cc: Sandeep Patil <sspatil@xxxxxxxxxx>
> Cc: SeongJae Park <sj38.park@xxxxxxxxx>
> Cc: SeongJae Park <sjpark@xxxxxxxxx>
> Cc: Shakeel Butt <shakeelb@xxxxxxxxxx>
> Cc: Sonny Rao <sonnyrao@xxxxxxxxxx>
> Cc: Tim Murray <timmurray@xxxxxxxxxx>
> Cc: Christian Brauner <christian.brauner@xxxxxxxxxx>
> Cc: <linux-man@xxxxxxxxxxxxxxx>

Acked-by: David Rientjes <rientjes@xxxxxxxxxx>